The SIK F3CB crossbow broadhead?s bulletproof design features three .035? razor-sharp, durable blades constructed of stainless steel and a solid stainless-steel one-piece ferrule. The winged offset blade design produces a large 1-3/16? cutting diameter giving you an easy-to-follow blood trail. And your game with a laceration that won?t close. With its consistent field-point accuracy shot after shot and solid locking collar ensuring the blades are locked in place with the all steel ferrule, this crossbow broadhead was designed with crossbow hunters in mind. Three 0.035? razor-sharp blades constructed of stainless steel for extreme strength and durability Core Cutting Technology features a unique winged offset blade design creating a gaping 1-3/16? cutting diameter Blades are held in place by a solid knurled and threaded rear locking collar for superior strength and virtually indestructible design One piece all stainless-steel ferrule features a sleek, bone-crushing hybrid tip Specifically designed for crossbows resulting in superior performance and field-point accuracy